National Item Identification Number

00-639-6640
006396640
4820-00-639-6640
4820-00-639-6640

National Stock Number

Item Name

VALVE,SAFETY RELIEF

Federal Supply Class

4820

Description

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.

Commercial and Government Entity Code (Supplier Data)

---

11976

---

CHICAGO PNEUMATIC TOOL CO
1800 OVERVIEW DR
ROCK HILL
SC
29730
803-817-7000

---

00742

---

AIR PRODUCTS AND CHEMICALS INC.
DBA AIR PRODUCTS
7201 HAMILTON BLVD
ALLENTOWN
PA
18195
610-481-6333

---

11976

---

CHICAGO PNEUMATIC TOOL CO
1800 OVERVIEW DR
ROCK HILL
SC
29730
803-817-7000

---

11976

---

CHICAGO PNEUMATIC TOOL CO
1800 OVERVIEW DR
ROCK HILL
SC
29730
803-817-7000

---

00742

---

AIR PRODUCTS AND CHEMICALS INC.
DBA AIR PRODUCTS
7201 HAMILTON BLVD
ALLENTOWN
PA
18195
610-481-6333

---

Reference Numbers (Part Numbers)

89PS587
89PS587
89PS799
89PS799
89PS799
89SP586
89SP586
9-937-01-0024

Required Categories

MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE DISCHARGE FLOW RATE
VALV

Required Description

COPPER ALLOY BODY
C1 ANGLE
DISK
988.0 CUBIC FEET PER MINUTE
AUTOMATIC OR
MA